Prove it.
Show the references from Scripture.
Your word is not enough since you admit that you are not infallible.
Since you, by your own admission are fallible, then you must provide outside sources to back up any truth claims you make for anyone to take you seriously.
Otherwise, it is just your unsupported opinion, which is as meaningless as anyone else’s unsupported opinion.
I thought the POPE said he wasn't!
But; since the pope CAN be wrong...